Better printing of MOs in API

mapytex/calculus/API/renders.py

@@ -16,6 +16,11 @@ def _txt(mo_tree):
     """ txt render for MOs or Trees"""
     try:
         return tree2txt(mo_tree)
+    except AttributeError:
+        pass
+
+    try:
+        return mo_tree.__txt__
     except AttributeError:
         return str(mo_tree)
 
@@ -23,6 +28,11 @@ def _tex(mo_tree):
     """ Tex render for MOs or Trees"""
     try:
         return tree2tex(mo_tree)
+    except AttributeError:
+        pass
+
+    try:
+        return mo_tree.__tex__
     except AttributeError:
         return str(mo_tree)